... , expandable, collapsible, this is a magic silicone kitchenware for food storage, 2013 kitchenware refolution for lunch boxes. Collapsible to 1/3 the expanded size ... air tight, super water tight, super safe and healthy for food and dish storage. Silicone seals, stackable, microwave and refrigerator safe. Gift boxed ... spare no efforts to meet your demand. Silicone Lunch Box for Food Storage, 2013